Home / 18,071.73-27,111.75-9,751.56

Finding the Fourth Proportional to 18,071.73, 27,111.75 and 9,751.56

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Solution

The fourth proportional to 18,071.73, 27,111.75 and 9,751.56 is: 14,629.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,071.73 : 27,111.75 = 9,751.56 : x
  2. Step 2: Convert to fraction form
    18,071.73/27,111.75 = 9,751.56/x
  3. Step 3: Cross multiply
    18,071.73x = 27,111.75 × 9,751.56
  4. Step 4: Simplify right side
    18,071.73x = 264,381,856.83
  5. Step 5: Solve for x
    x = 264,381,856.83/18,071.73
  6. Step 6: Final answer
    x = 14,629.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.